Jessica Alba will not face criminal charges stemming from her part in a poster protest, it has been reported.

Last week, the Fantastic Four star issued an apology for blanketing Oklahoma City with posters about the diminishing number of great white sharks

"Right now the investigation is still open. Nobody has been interviewed, but we're talking with the property owners to see if they're interested in pressing charges," E! quote Oklahoma Police Sgt Gary Knight as saying.

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"That's typical in something like a vandalism like this; we'd interview the owners and go from there."

The police officer added that if Alba were charged, she could face a felony charge, jail time and a fine if the vandalism exceeded $1,000 worth of damage.

"In most cases like this, if the victims are certain they don't want to prosecute, then we usually don't and the case is closed," he added.

Alba is currently in the region filming The Killer Inside Me with Kate Hudson.